The invention discloses a distributed link access bandwidth control system, comprising a network link access kernel calculation module, a distributed node system load balancing scheduling module and a link bandwidth allocation module, wherein the network link access kernel calculation module is used for unpacking and packaging a user data packet of a client received by an access server and providing interface services for an upper layer application of the network link access kernel calculation module; the distributed node system load balancing scheduling module is used for deploying a plurality of access servers in a network environment by adopting the architecture of a plurality of distributed computing nodes; and the link bandwidth allocation module is used for creating a token buffer pool for each user link in the internal memory of the system and allocating a token, and a data packet carrying the token has the authority of arriving at an outlet link. The distributed link access bandwidth control system disclosed by the invention supports the super-large scale network link access, can effectively reduce the system load and increase the overall bandwidth utilization rate of the system and the energy efficiency of the system, and the method is applicable to network environments with super-large scale users and high loads.